Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 19 years.

Keywords: pressure sensor manufacturerHydraulic pressure sensorwater pressure sensorgas pressure transmitterdifferential pressure transmittergas pressure sensorwater pressure transmitteroil pressure sensorlevel sensorPressure transducerNanjing WotianPressure Sensor FactoryDifferential Pressure SensorLevel TransmitterPressure Transmitter

You are here: WT Home > Products > Pressure Transmitter

  • PCM400 Piezoresistive silicon Pressure Transmitter
  • PCM400 Piezoresistive silicon Pressure Transmitter
  • PCM400 Piezoresistive silicon Pressure Transmitter
  • PCM400 Piezoresistive silicon Pressure Transmitter

PCM400 Piezoresistive silicon Pressure Transmitter


■ High performance diffuse piezoresistive silicon sensor adopted

■ Used for the pressure measurement for multiple kinds of media such as gas, liquid etc.

■ Wide pressure ranges

■ Optional digital display

■ Optional multiple kinds of output signals 

Applications and industries

■ Industrial field control

■ Oil field

■ Heavy industry

■ Chemical industry

■ Gas pipe network

■ Water supply pipe network

Diffuse piezoresistive silicon pressure transmitter,China pressure transmitter,Wotian pressure transmitter,Digital display pressure transmitter factory,Outdoor field pressure transmitter manufacturer

China Wotian factory pressure transmitter adopting the high performance and high stability OEM pressure sensor as the signal measuring element, with stable and reliable performance after the long-term aging and stability selecting, widely applied to the outdoor field with quite harsh environment

Product Parameters

Performance parameters

Pressure range


Pressure reference

Gauge pressure, Absolute pressure,   Sealed gauge pressure

Supply & output

4~20mA (18~36V)

4~20mA with display (12~36V)

1~5V, 0~5V, 0.5~4.5V, 0~10V (12~32V)

Operating temp.


Medium temp.


Storage temp.


Zero temp. coefficient

±1.5%FS(@-20 - 85)

Sensitivity temp. coefficient

±1.5%FS(@-20 - 85)



Mechanical vibration

20g (20~5000Hz)


100g (11ms)

Comprehensive accuracy




Response time

≤1ms (Up to 90%FS)

Long-term stability


EMC surge

(IEC61000-4-5) 2kV

EMC static

(IEC61000-4-2) contact discharge 8kV, air discharge 15kV

Protection grade


Ex-proof grade

Intrinsically safe ex-proof ExiaCT6


Low copper aluminium alloy for   Housing; SS316L Diaphragm

Medium compatibility

All kinds of media compatible with SS316L

Production process

PCM400 Pressure Transmitter


PCM400 Pressure Transmitter

Company profile


Company advantage

Mass production

We have one production center in Nanjing and one production center in Anshan with 20,000㎡plant and 170 units of production equipments. The main annual capacity of sensors is about 2,000,000 pieces.

Imported equipments

We imported 20 sets of pressure controller and 150 units of testing ovens to our production line.

Informatization management

We have the information management system of CRM, PLM, ERP, MES and DINGDING etc.

Comprehensive testing

We have our own lab and testing equipment such as lightning stroke, surging, static electricity, vibration, high-low temperature impact test and helium mass-spectrum leak detection.